HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$114+ Cheap flights from Dallas/Fort Worth (DFW) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SEA
Apr 28 — May 51
Tue 4/28
Tue 5/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas/Fort Worth to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Dallas/Fort Worth to Seattle/Tacoma Intl are usually found in April or January, booked 71 days in advance, depart on a Friday or Tuesday and return on a Friday

Cheap flight deals from Dallas/Fort Worth to Seattle

Cheapest flights from Dallas/Fort Worth to Seattle
Explore the most affordable flight options available from Dallas/Fort Worth to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 29, 2026.

This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:45 pm
DFW
-
SEA
1 stop20h 57m
Frontier
Sun 4/264:20 pm
SEA
-
DFW
1 stop5h 52m
Frontier
Deal found 3/25$216
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:30 am
DFW
-
SEA
1 stop27h 57m
Frontier
Wed 4/227:12 pm
SEA
-
DFW
1 stop12h 01m
Frontier
Deal found 3/28$217
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:20 am
DFW
-
SEA
1 stop6h 32m
Frontier
Mon 4/2710:11 pm
SEA
-
DFW
2 stops42h 09m
Frontier
Deal found 3/28$218
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:20 am
DFW
-
SEA
1 stop6h 32m
Frontier
Mon 5/49:19 pm
SEA
-
DFW
2 stops20h 03m
Frontier
Deal found 3/28$219
This CheapOair deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:05 am
DFW
-
SEA
1 stop26h 22m
Frontier
Thu 4/3010:57 am
SEA
-
DFW
1 stop21h 47m
Frontier
Deal found 3/29$221
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:45 pm
DFW
-
SEA
2 stops12h 42m
Frontier
Fri 4/247:12 pm
SEA
-
DFW
1 stop13h 57m
Frontier
Deal found 3/25$222
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:15 am
DFW
-
SEA
2 stops28h 12m
Multiple Airlines
Wed 4/158:07 pm
SEA
-
DFW
1 stop11h 06m
Multiple Airlines
Deal found 3/26$223
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:15 pm
DFW
-
SEA
1 stop19h 12m
Frontier
Sun 4/269:54 pm
SEA
-
DFW
2 stops38h 53m
Frontier
Deal found 3/27$224
This Frontier deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:20 am
DFW
-
SEA
1 stop6h 07m
Frontier
Tue 5/57:50 pm
SEA
-
DFW
1 stop10h 17m
Frontier
Deal found 3/27$225
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:15 pm
DFW
-
SEA
1 stop19h 12m
Frontier
Tue 4/2810:57 am
SEA
-
DFW
2 stops26h 23m
Frontier
Deal found 3/27$226
This Trip.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:20 am
DFW
-
SEA
1 stop13h 15m
Frontier
Sun 5/1011:06 am
SEA
-
DFW
2 stops32h 20m
Frontier
Deal found 3/25$227
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:28 pm
DFW
-
SEA
1 stop20h 24m
Frontier
Mon 4/274:20 pm
SEA
-
DFW
1 stop20h 27m
Frontier
Deal found 3/29$228

Find flight deals from Dallas/Fort Worth to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$216
(CheapOair)

One-way from

$114
(Kiwi.com)

Popular in

May

Cheapest in

April

Average price

$307

Good round-trip deal

$340 or less

Good one-way deal

$221 or less
Provider with most accurate pricing for Dallas/Fort Worth-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dallas/Fort Worth-Seattle/Tacoma Intl flights.
Search Deals
From Dallas/Fort Worth to Seattle/Tacoma Intl
Search Deals
One-way flight from Dallas/Fort Worth to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Dallas/Fort Worth to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Dallas/Fort Worth to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 29, 2026.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 5/6

7:00 am-12:25 pm

1 stop7h 25m

Seattle/Tacoma Intl

Wed 5/13

7:00 am-4:09 pm

1 stop7h 09m

$319

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 4/30

6:20 am-8:52 am

Nonstop4h 32m

Seattle/Tacoma Intl

Sat 5/2

11:54 am-6:15 pm

Nonstop4h 21m

$349

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 5/16

4:15 pm-6:43 pm

Nonstop4h 28m

Seattle/Tacoma Intl

Mon 5/18

5:54 pm-11:59 pm

Nonstop4h 05m

$349
Quickest round-trip

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 5/16

6:30 am-8:52 am

Nonstop4h 22m

Seattle/Tacoma Intl

Sun 5/24

9:15 am-3:18 pm

Nonstop4h 03m

$377

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 5/5

8:47 pm-11:15 pm

Nonstop4h 28m

Seattle/Tacoma Intl

Fri 5/8

8:25 am-4:47 pm

1 stop6h 22m

$378

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 4/1

2:44 pm-6:30 pm

1 stop5h 46m

Seattle/Tacoma Intl

Wed 4/29

5:51 pm-11:52 pm

Nonstop4h 01m

$380

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 4/2

7:10 pm-9:41 pm

Nonstop4h 31m

Seattle/Tacoma Intl

Wed 4/29

10:57 pm-5:00 am

Nonstop4h 03m

$391

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 5/6

8:47 pm-11:15 pm

Nonstop4h 28m

Seattle/Tacoma Intl

Fri 5/8

9:07 am-5:58 pm

1 stop6h 51m

$393

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 5/1

5:47 pm-10:26 pm

1 stop6h 39m

Seattle/Tacoma Intl

Sat 5/2

8:16 am-2:36 pm

Nonstop4h 20m

$393

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 4/22

4:15 pm-11:51 pm

1 stop9h 36m

Seattle/Tacoma Intl

Mon 4/27

5:48 pm-9:40 am

2 stops13h 52m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Dallas/Fort Worth to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dallas/Fort Worth to Seattle in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dallas/Fort Worth Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dallas/Fort Worth Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dallas/Fort Worth Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dallas/Fort Worth Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dallas/Fort Worth Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dallas/Fort Worth to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Dallas/Fort Worth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dallas/Fort Worth Airport to Seattle

How far ahead should I book a flight from Dallas/Fort Worth Airport to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Dallas/Fort Worth to Seattle. Price data was last updated on March 13, 2026.

Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas/Fort Worth Airport to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Seattle?

Currently, April is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Seattle (average of $105). Flying from Dallas/Fort Worth Airport to Seattle in May is currently the most expensive (average of $169). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DFW to SEA?

Find hourly flight availability from Dallas/Fort Worth to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 29, 2026.

It’s optimal to fly from Dallas/Fort Worth Airport to Seattle in the morning. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Dallas/Fort Worth Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Seattle. Price data was last updated on March 28, 2026.

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Seattle flight should consider departing on Friday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Dallas/Fort Worth Airport to Seattle?

The best insider tips for Dallas/Fort Worth Airport to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Dallas/Fort Worth Airport to Seattle trip
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Chris Dong

Chris Dong

Expert on DFW

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated March 29, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andHawaiian Airlines from Dallas/Fort Worth Airport to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,139 reviews

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,139 reviews
Alaska Airlines
7.9
Good
12,139 reviews

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,359 reviews
Alaska Airlines
7.9
Good
12,139 reviews

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Hawaiian Airlines
7.8
Good
2,837 reviews
Alaska Airlines
7.9
Good
12,139 reviews

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
American Airlines
7.1
Good
11,525 reviews
Alaska Airlines
7.9
Good
12,139 reviews

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Frontier
5.7
Fair
3,010 reviews
Alaska Airlines
7.9
Good
12,139 reviews

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Dallas/Fort Worth to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Dallas/Fort Worth?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Dallas/Fort Worth to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Dallas/Fort Worth; the airport handles an average of 27 inbound flights from Dallas/Fort Worth per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the Seattle airport from Dallas/Fort Worth. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How long is the flight from Dallas/Fort Worth Airport to Seattle?

    There are many flights that can get you from Dallas/Fort Worth Airport to Seattle in 4h 28m. Fly via United Airlines, Alaska Airlines, or Delta to get the fastest option. There are 1657 mi between Dallas/Fort Worth Airport and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Dallas/Fort Worth Airport to Seattle round-trip?

    According to our current data, Spirit Airlines ($76), Frontier ($95), and Hawaiian Airlines ($104) offers the cheapest pricing from Dallas/Fort Worth Airport to Seattle. Spirit Airlines is 74% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Dallas/Fort Worth Airport to Seattle one-way?

    The cheapest airlines for a one-way flight from Dallas/Fort Worth Airport to Seattle are Spirit Airlines ($57), Frontier ($73), and Delta ($89).

  • What are the most reliable airlines from Dallas/Fort Worth Airport to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dallas/Fort Worth Airport to Seattle on time: Air Tahiti Nui (85%), Alaska Airlines (83%), Hawaiian Airlines (83%).

  • What are the cheapest flights from Dallas/Fort Worth Airport to Seattle?

    On average you can expect to pay $990 for a flight from Dallas/Fort Worth Airport to Seattle. The cheapest flight overall is $160 while the most popular route, (Dallas/Fort Worth - Seattle/Tacoma Intl) is currently priced at $187.

  • Can I find deals for flights from Dallas/Fort Worth to Seattle that include hotel bookings?

    Yes. In addition to deals on Dallas/Fort Worth to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dallas/Fort Worth to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas/Fort Worth to Seattle.

  • Can I find deals for business class flights from Dallas/Fort Worth to Seattle?

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Seattle (average of $105). Flying from Dallas/Fort Worth Airport to Seattle in May is currently the most expensive (average of $169). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Snoqualmie
Ellensburg
Tukwila
Fife
Lakewood
Leavenworth
Issaquah
Aberdeen
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Dallas/Fort Worth to Seattle

Discover the top 8 airlines that operate flights from Dallas/Fort Worth to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$152FlexibilityNo cancel feeOn-time65%
FrontierCheapest$95Average$218FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$104Average$275FlexibilityNo cancel feeOn-time85%
DeltaCheapest$123Average$283FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$162Average$306FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$180Average$343FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$180Average$303FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$182Average$329FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.